When you're facing a long fight, you need an attorney with the staying power to go all the way. We have won over $100 million for our clients over the years. We don't back down.
About Us

Dallas, Texas has been known as The Big D since 1932. The Big D Law Firm has been providing big city legal representation since 2002. Founded by Donald Scott Mackenzie, The Big D Law Firm focuses on individuals who have been injured and are facing medical bills, lost wages and associated expenses. Insurance companies minimize your claims and place their thumb on the scales of justice. The Big D Law Firm will balance the scales of justice in your favor. Whether you are in small-town Texas, of here in The Big D, our firm is here for you.
Our Areas of Expertise
Car & Truck Accidents
When you are injured in a collision due to the negligence of another driver, call on The Big D Law Firm first. Our lawyers are experienced from thousands of collision cases. We will guide you through the mess and get you back on the road to recovery and compensation.
Slip & Fall
A hard fall is not a joke. Poor management and maintenance harms thousands of Texans every day. The Big D Law Firm will get you back on your feet with the compensation you need to recover from a life-changing injury.
Motorcycle Accidents
Motorcycle collisions routinely leave motorcyclists grievously injured, usually due to the inattentiveness of car and truck drivers. The Big D Law Firm understands the particulars of motorcycle accidents and has the know how to help you recover physically and financially.
Wrongful Death
The greatest loss, that of a loved one, is a pain that never goes away. The Big D Law Firm has represented the survivors of wrongful death cases on the roads and in the work places throughout Texas and helped our clients through the worst times of their lives.
The Members Behind the Magic
Donald Scott Mackenzie
Founding Partner
Founder of The Big D Law Firm, Donald has dedicated his career to balancing the scales for injured Texans. His aggressive approach ensures insurance companies pay what they owe.
Jane 'The Closer' Smith
Managing Partner
Jane has the stamina for long, hard cases. She rises to the occasion and has a performance record that speaks for itself.

Don't Take it Lying Down.
Your first consultation is completely free and confidential. Remember, you pay absolutely nothing unless we win your case—that's our firm promise.